Alonzo b



(No Model.)

A. B. ARNOLD.

NECK YOKE COUPLING.

No. 340,972. Patented May 4, 1886.

Wage/a UNITED STATES PATENT OFFICE.

ALONZO B. ARNOLD, OF GLADBROOK, IOXVA, ASSIGNOR OF TWO-THIRDS TO 'DAVID H. GOTSHALL AND PAUL L. FEDDERSON, OF SAME PLACE.

NECK YOKE COUPLING.

SPECIFICATION forming part of Letters Patent N'o. 340,972, dated May 4,1886.

Application filed November 23, 1885. Serial No. 183,673. (No model.)

To aZZ whom, it may concern: yoke f,and fastened thereto by-means of wood Be it known that I, ALo-Nzo B. ARNOLD, a screws, as shown in Fig. 1. The parts that citizen of the United States of America, and a project downward have perforations to admit resident of G-ladbrook, in the county of Tama the journals on the ends of the pivoted bar a,

l 5 and State of Iowa, have invented an Improved and to thereby suspend the bar and pole-tip Neck-Yoke Coupling, of which the following jointly, as required, to allow theyoke to swing is a specification. backward and forward relative to the pole h, My object is to improve the appearance that is slipped into the pole-tip, as shown in and durability of a metal coupling device, Fig. 3.

10 adapted to connect a yoke with the pole of a A complete metal coupling device is thus vehicle without increasing its cost; and my produced by the combination of four metal invention consists in the construction and comcastings, that can be readily applied to conbination of a pole-tip having a bearing for a nect a yoke and polein such a manner that the crossbar, a crossbar having journals on its yoke and pole will have free independent mo- 15 ends and rabbets in its edges, and elbowtions, as required, to prevent the chafing and shaped clips, as hereinafter set forth, pointed striking of horses incident to the use of neckout in my claims, and illustrated in the accomyokes. panying drawings, in which; I am aware that a ring or pole-tip having a Figure 1 is a front view of my complete deconical upward extension has been riveted to 2o vice attached to a section of a yoke; Fig. 2, a a crossbar having journals on its ends, and top view of the cross-bar having j ournals on the po1e-tip and crossbar thus combined then its ends pivoted in the bearing on the pole-tip, connected with a bar or yoke by means of eyeand Fig. 3 a perspective view showing aneckbolts; but the head of the rivetis subjected to yoke and pole connected by means of my inbear all the vertical pressure of the pole and 25 vention as required for practical use. too much friction and wear, and soon becomes A is a malleable-iron pole-tip, of common worn and unsafe, and I overcome such defect form,that I provide with integral flanges I) b, and relieve the pivot from vertical pressure that extend toward each other and over a flat and strain and wear by means of the flanges surface on the top and centerof the tip,to proformed integral with the pole-tip and the rab- 0 duce a bearing within which to pivot and opbets on the edges of the cross-bar pivoted to erate a cross-bar. the po1e-tip.

c is a straight metal bar,that has journals on I claim as my inventionits ends and rabbets in the top sides of its 1. In a neck-yoke coupling, the combinacurvededges,thatadmittheflanges b,asclearly tion of a pole-tip having a flat surface and 3 5 shown in Fig. 2. flanges b at the edges of the flat surface, and a dis a rivet that extends through perforabar, 0, having rabbeted edges to extend untions in the pole-tip and bar, and forms a pivot der said flanges, substantially as and for the 8 5 upon which the bar a can turn in the bearing purposes stated. on the top side of the tip, as required, to allow 2. The improved neck-yoke and pole coup 0 the neck-yokef horizontal vibratory motion. ling composed of a pole-tip having a flat sur- The flanges b in the rabbets in the edges of the face and flanges b, a bar, 0, having journals bar 0 aid in retaining the bar in its place and on its ends and rabbets in its edges, and elbowo relieve the pivot from strain. \Vhen they beshaped clips g, substantially as shown and decome worn, or do not fit closely in the rabbets scribed.

5 in the edges of the bar, they can be readily ALONZO B. ARNOLD.

bent downward when made of malleable iron Witnesses: and integral with the tip, as contemplated. G. F. MOGEE,

g g are elbow-shaped metal clips fitted to the CHAS. IV. DAVENPORT. 

